Which of these amines is/are used with aldehydes and ketones to form enamines?

Question

Quizplus · Accepted Answer

Both I and II can be used to form enamines with aldehydes and ketones. I is an example of a primary amine while II is a secondary amine. Primary and secondary amines are typically used in this reaction to form enamines, while tertiary amines cannot participate in this reaction. III and IV are both examples of tertiary amines and cannot be used to form enamines.

Which of These Amines Is/are Used with Aldehydes and Ketones